Calling internalFlushCurrentBatch will be forwaded to internalFlushCu…

…rrentBatches if the associated batch builder contains multi batches(KeyBasedBatchBuilder).

Doing transparent forwarding could centralized the branching logic at only one place.

pulsar/producer_partition.go

@@ -383,11 +383,7 @@ func (p *partitionProducer) runEventsLoop() {
 				return
 			}
 		case <-p.batchFlushTicker.C:
-			if p.batchBuilder.IsMultiBatches() {
-				p.internalFlushCurrentBatches()
-			} else {
-				p.internalFlushCurrentBatch()
-			}
+			p.internalFlushCurrentBatch()
 		}
 	}
 }
@@ -478,11 +474,8 @@ func (p *partitionProducer) internalSend(request *sendRequest) {
 		msg.ReplicationClusters, deliverAt)
 	if !added {
 		// The current batch is full.. flush it and retry
-		if p.batchBuilder.IsMultiBatches() {
-			p.internalFlushCurrentBatches()
-		} else {
-			p.internalFlushCurrentBatch()
-		}
+
+		p.internalFlushCurrentBatch()
 
 		// after flushing try again to add the current payload
 		if ok := p.batchBuilder.Add(smm, p.sequenceIDGenerator, payload, request,
@@ -497,11 +490,9 @@ func (p *partitionProducer) internalSend(request *sendRequest) {
 	}
 
 	if !sendAsBatch || request.flushImmediately {
-		if p.batchBuilder.IsMultiBatches() {
-			p.internalFlushCurrentBatches()
-		} else {
-			p.internalFlushCurrentBatch()
-		}
+
+		p.internalFlushCurrentBatch()
+
 	}
 }
 
@@ -515,6 +506,11 @@ type pendingItem struct {
 }
 
 func (p *partitionProducer) internalFlushCurrentBatch() {
+	if p.batchBuilder.IsMultiBatches() {
+		p.internalFlushCurrentBatches()
+		return
+	}
+
 	batchData, sequenceID, callbacks, err := p.batchBuilder.Flush()
 	if batchData == nil {
 		return
@@ -676,11 +672,8 @@ func (p *partitionProducer) internalFlushCurrentBatches() {
 }
 
 func (p *partitionProducer) internalFlush(fr *flushRequest) {
-	if p.batchBuilder.IsMultiBatches() {
-		p.internalFlushCurrentBatches()
-	} else {
-		p.internalFlushCurrentBatch()
-	}
+
+	p.internalFlushCurrentBatch()
 
 	pi, ok := p.pendingQueue.PeekLast().(*pendingItem)
 	if !ok {